From 0b0230e27d27a878f332bdabed73fff5cff314af Mon Sep 17 00:00:00 2001
From: Yuri Kunde Schlesner <yuriks@yuriks.net>
Date: Sat, 5 Mar 2016 18:09:55 -0800
Subject: [PATCH] OpenGL: Don't attempt to draw empty triangle batches

Our code did not handle this well, causing random crashes inside
drivers. Fixes #1251.
---
 src/video_core/renderer_opengl/gl_rasterizer.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 0f864b617..490a605ec 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -190,6 +190,9 @@ void RasterizerOpenGL::AddTriangle(const Pica::Shader::OutputVertex& v0,
 }
 
 void RasterizerOpenGL::DrawTriangles() {
+    if (vertex_batch.empty())
+        return;
+
     SyncFramebuffer();
     SyncDrawState();